Three electric resistance heaters of length L=250mm and D=25mm are submerged in a 10 gallon tank of water,which is initially at 295k.the water may be assumed to have a density and specific heat of p=990 kg/m3 and c=4180J/kg.k.
Three electric resistance heaters of length L=250mm and D=25mm are submerged in a 10 gallon tank of water,which is initially at 295k.the water may be assumed to have a density and specific heat of p=990 kg/m3 and c=4180J/kg.k. (a) if the heaters are activated,each dissipating q1=500 w,estimate the time required to bring the water to a temperature of 335 k.
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